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参数资料
| 型号： | FTLF1721P2BCL |
| 厂商： | Finisar Corporation |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | TXRX OPT SFP 2 GB/S 1310NM |
| 标准包装： | 1 |
| 数据速率： | 2.67Gbps |
| 波长： | 1310nm |
| 应用： | 以太网 |
| 电源电压： | 3.1 V ~ 3.5 V |
| 连接器类型： | LC 双工 |
| 安装类型： | SFP |
| 其它名称： | 775-1035 |
FTLF1721P2xCL Pluggable SFP Product Specification – January 2006
VIII. Digital Diagnostic Functions
Finisar FTLF1721P2xCL SFP transceivers support the 2-wire serial communication
protocol as defined in the SFP MSA 1 . It is very closely related to the E 2 PROM defined in
the GBIC standard, with the same electrical specifications.
The standard SFP serial ID provides access to identification information that describes
the transceiver’s capabilities, standard interfaces, manufacturer, and other information.
Additionally, Finisar SFP transceivers provide a unique enhanced digital diagnostic
monitoring interface, which allows real-time access to device operating parameters such
as transceiver temperature, laser bias current, transmitted optical power, received optical
power and transceiver supply voltage. It also defines a sophisticated system of alarm and
warning flags, which alerts end-users when particular operating parameters are outside of
a factory set normal range.
The SFP MSA defines a 256-byte memory map in E 2 PROM that is accessible over a
2-wire serial interface at the 8 bit address 1010000X (A0h). The digital diagnostic
monitoring interface makes use of the 8 bit address 1010001X (A2h), so the originally
defined serial ID memory map remains unchanged. The interface is identical to, and is
thus fully backward compatible with both the GBIC Specification and the SFP Multi
Source Agreement. The complete interface is described in Finisar Application Note AN-
2030: “Digital Diagnostics Monitoring Interface for SFP Optical Transceivers”.
The operating and diagnostics information is monitored and reported by a Digital
Diagnostics Transceiver Controller (DDTC) inside the transceiver, which is accessed
through a 2-wire serial interface. When the serial protocol is activated, the serial clock
signal (SCL, Mod Def 1) is generated by the host. The positive edge clocks data into the
SFP transceiver into those segments of the E 2 PROM that are not write-protected. The
negative edge clocks data from the SFP transceiver. The serial data signal (SDA, Mod
Def 2) is bi-directional for serial data transfer. The host uses SDA in conjunction with
SCL to mark the start and end of serial protocol activation. The memories are organized
as a series of 8-bit data words that can be addressed individually or sequentially.
For more information, please see the SFP MSA documentation 1 or Finisar Application
Note AN-2030.
Digital diagnostics for the FTLF1721P2xCL are externally calibrated by default.
Please note that evaluation board FDB-1018 is available with Finisar ModDEMO
software that allows simple to use communication over the 2-wire serial interface.
? Finisar Corporation January 20, 2006 Rev. A
Page 6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FTLF1721P2BTL | 制造商:Finisar Corporation 功能描述:1310NM DFB, APD, OC-48 LR-1, GIGE, 1X/2X FC, 2.67 GB/S MULTI - Trays 制造商:Finisar Corporation 功能描述:TXRX 1310NM DFB APD 1X/2X SFP |
| FTLF1721P2WCL | 制造商:FINISAR 制造商全称:FINISAR 功能描述:OC-48 LR-1/STM L-16.1 RoHS Compliant Pluggable SFP Transceiver |
| FTLF1721P2WTL | 制造商:FINISAR 制造商全称:FINISAR 功能描述:OC-48 LR-1/STM L-16.1 RoHS Compliant Pluggable SFP Transceiver |
| FTLF1721P2XTL | 制造商:FRONTIER 制造商全称:Frontier Electronics. 功能描述:Product Guide |
| FTLF1721S1GCL | 制造商:Finisar Corporation 功能描述:SAME AS FTLF1721S1MCL, BUT 2 GROUND PINS - Trays 制造商:Finisar Corporation 功能描述:TXRX 1310NM DFB APD 1X/2X SFF |
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